September weather forecast
Wheat Ridge, CO

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Weather in September

September signals the onset of fall in Wheat Ridge. It brings a notable drop in temperature with a maximum of 76.6°F (24.8°C) and a minimum of 51.4°F (10.8°C). The brilliant green landscape begins to take on the warm hues of autumn, creating a picturesque environment. The favorable weather allows for peaceful strolls through city parks to enjoy the colorful spectacle of falling leaves.

Temperature

With the onset of September, the average high-temperature in Wheat Ridge subtly recedes from August's warm 83.8°F (28.8°C) to a still moderately hot 76.6°F (24.8°C). Wheat Ridge in September observes a sharp transition from the daytime heat, falling to an average low of 51.4°F (10.8°C).

Humidity

The average relative humidity in September is 42%.

Rainfall

In Wheat Ridge, in September, during 7.6 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. Throughout the year, in Wheat Ridge, there are 95 rainfall days, and 10.08" (256mm) of precipitation is accumulated.

Snowfall

In Wheat Ridge, snow does not fall in June through September.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of September in Wheat Ridge, sunrise is at 6:29 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:43 pm MDT.

Sunshine

The average sunshine in September is 11.1h.

UV index

The average daily maximum UV index in September in Wheat Ridge, Colorado, is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum UV index of 5 in September translates into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
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Frequently asked questions

What is the usual temperature for Wheat Ridge in September?

In Wheat Ridge, 76.6°F (24.8°C) is the average high-temperature and 51.4°F (10.8°C) is the average low-temperature during September. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is computed to be 82.4°F (28°C).

What is the average humidity in September in Wheat Ridge?

In Wheat Ridge, the average relative humidity in September is 42%.

How many days does it rain in September in Wheat Ridge?

In Wheat Ridge, Colorado, in September, during 7.6 rainfall days, 0.51" (13mm) of precipitation is typically accumulated.

When it does not snow in Wheat Ridge?

In Wheat Ridge, snow does not fall in June through September.

Does it snow in Wheat Ridge in September?

In Wheat Ridge, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Wheat Ridge have in September?

In September, the average day length in Wheat Ridge, Colorado, is 12h and 26min.

When are sunrise and sunset in September in Wheat Ridge?

On the first day of September in Wheat Ridge, sunrise is at 6:29 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:43 pm MDT.

How many hours of sunshine does Wheat Ridge have in September?

In September, the average sunshine duration in Wheat Ridge is 11.1h.

What is the UV index intensity in September in Wheat Ridge?

In September, the average daily maximum UV index in Wheat Ridge, Colorado, is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Wheat Ridge, CO

Average temperature in September - Wheat Ridge, CO
  • Average high temperature in September: 76.6°F

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is December (39.6°F).

  • Average low temperature in September: 51.4°F

The month with the highest average low temperature is July (59.5°F).
The coldest months (with the lowest average low temperature) are February and December (20.7°F).

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Average pressure in September
Wheat Ridge, CO

Average pressure in September - Wheat Ridge, CO
  • Average pressure in September: 30.01"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are April and June (29.91"Hg).

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Average wind speed in September
Wheat Ridge, CO

Average wind speed in September - Wheat Ridge, CO
  • Average wind speed in September: 5.6mph

The windiest months (with the highest average wind speed) are March and April (6.5mph).
The calmest month (with the lowest average wind speed) is September (5.6mph).

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Average humidity in September
Wheat Ridge, CO

Average humidity in September - Wheat Ridge, CO
  • Average humidity in September: 42%

The month with the highest relative humidity is February (66%).
The months with the lowest relative humidity are June and August (41%).

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Average rainfall in September
Wheat Ridge, CO

Average rainfall in September - Wheat Ridge, CO
  • Average rainfall in September: 0.51"

The wettest month (with the highest rainfall) is May (1.69").
The driest month (with the least rainfall) is January (0.35").

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Average rainfall days in September
Wheat Ridge, CO

Average rainfall days in September - Wheat Ridge, CO
  • Average rainfall days in September: 7.6 days

The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is November (3.3 days).

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Average snowfall in September
Wheat Ridge, CO

Average snowfall in September - Wheat Ridge, CO
  • Average snowfall in September: 0"

The month with the highest snowfall is February (5.83").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Wheat Ridge, CO

Average snowfall days in September - Wheat Ridge, CO
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is February (8.6 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in September /
Average sunshine in September
Wheat Ridge, CO

Average daylight in September / Average sunshine in September - Wheat Ridge, CO
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in September: 11h and 1min

The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).

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Average sunshine days in September
Wheat Ridge, CO

Average sunshine days in September - Wheat Ridge, CO
  • Average sunshine days in September: 19 days

The month with the most sunshine days is November (23.9 days).
The month with the least sunshine days is July (13.5 days).

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Average UV index in September
Wheat Ridge, CO

Average UV index in September - Wheat Ridge, CO
  • Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in September
Wheat Ridge, CO

Average cloud cover in September - Wheat Ridge, CO
  • Average cloud cover in September: 14

The month with the most cloud cover is April (Cloud cover 25).
The month with the least cloud cover is September (Cloud cover 14).

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Average visibility in September
Wheat Ridge, CO

Average visibility in September - Wheat Ridge, CO
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Wheat Ridge, Colorado, USA

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